newlib-cygwin/newlib/libc/sys/linux/linuxthreads/signals.c

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2003-05-28 Jeff Johnston <jjohnstn@redhat.com> Tom Fitzsimmons <fitzsim@redhat.com> * configure.in: Add iconvdata support for x86 linux. * configure: Regenerated. * libc/sys/linux/Makefile.am: Add EL/IX level 3 network, dynamic library, iconv, and linuxthreads support. * libc/sys/linux/configure.in: Ditto. * libc/sys/linux/Makefile.in: Regenerated. * libc/sys/linux/configure: Ditto. * iconvdata/EUC-JP.irreversible: New file. * iconvdata/Makefile.am: Ditto. * iconvdata/Makefile.in: Ditto. * iconvdata/SJIS.irreversible: Ditto. * iconvdata/aclocal.m4: Ditto. * iconvdata/configure: Ditto. * iconvdata/configure.in: Ditto. * iconvdata/dummy.c: Ditto. * iconvdata/euc-jp.c: Ditto. * iconvdata/gconv-modules: Ditto. * iconvdata/jis0201.c: Ditto. * iconvdata/jis0201.h: Ditto. * iconvdata/jis0208.c: Ditto. * iconvdata/jis0208.h: Ditto. * iconvdata/jis0212.c: Ditto. * iconvdata/jis0212.h: Ditto. * iconvdata/sjis.c: Ditto. * libc/include/errno.h: Protect definition of error_t. * libc/sys/linux/gethostid.c: New file. * libc/sys/linux/sethostid.c: Ditto. * libc/sys/linux/dl/Makefile.am: Ditto. * libc/sys/linux/dl/Makefile.in: Ditto. * libc/sys/linux/dl/abi-tag.h: Ditto. * libc/sys/linux/dl/atomicity.h: Ditto. * libc/sys/linux/dl/dl-addr.c: Ditto. * libc/sys/linux/dl/dl-cache.c: Ditto. * libc/sys/linux/dl/dl-cache.h: Ditto. * libc/sys/linux/dl/dl-close.c: Ditto. * libc/sys/linux/dl/dl-debug.c: Ditto. * libc/sys/linux/dl/dl-deps.c: Ditto. * libc/sys/linux/dl/dl-dst.h: Ditto. * libc/sys/linux/dl/dl-error.c: Ditto. * libc/sys/linux/dl/dl-fini.c: Ditto. * libc/sys/linux/dl/dl-init.c: Ditto. * libc/sys/linux/dl/dl-iteratephdr.c: Ditto. * libc/sys/linux/dl/dl-libc.c: Ditto. * libc/sys/linux/dl/dl-librecon.h: Ditto. * libc/sys/linux/dl/dl-load.c: Ditto. * libc/sys/linux/dl/dl-lookup.c: Ditto. * libc/sys/linux/dl/dl-lookupcfg.h: Ditto. * libc/sys/linux/dl/dl-minimal.c: Ditto. * libc/sys/linux/dl/dl-misc.c: Ditto. * libc/sys/linux/dl/dl-object.c: Ditto. * libc/sys/linux/dl/dl-open.c: Ditto. * libc/sys/linux/dl/dl-osinfo.h: Ditto. * libc/sys/linux/dl/dl-profile.c: Ditto. * libc/sys/linux/dl/dl-profstub.c: Ditto. * libc/sys/linux/dl/dl-reloc.c: Ditto. * libc/sys/linux/dl/dl-runtime.c: Ditto. * libc/sys/linux/dl/dl-support.c: Ditto. * libc/sys/linux/dl/dl-sym.c: Ditto. * libc/sys/linux/dl/dl-version.c: Ditto. * libc/sys/linux/dl/dlfcn.h: Ditto. * libc/sys/linux/dl/do-lookup.h: Ditto. * libc/sys/linux/dl/do-rel.h: Ditto. * libc/sys/linux/dl/dynamic-link.h: Ditto. * libc/sys/linux/dl/kernel-features.h: Ditto. * libc/sys/linux/dl/ldsodefs.h: Ditto. * libc/sys/linux/dl/libintl.h: Ditto. * libc/sys/linux/dl/trusted-dirs.h: Ditto. * libc/sys/linux/dl/unsecvars.h: Ditto. * libc/sys/linux/iconv/Makefile.am: Ditto. * libc/sys/linux/iconv/Makefile.in: Ditto. * libc/sys/linux/iconv/categories.def: Ditto. * libc/sys/linux/iconv/dummy-repertoire.c: Ditto. * libc/sys/linux/iconv/gconv.c: Ditto. * libc/sys/linux/iconv/gconv_builtin.c: Ditto. * libc/sys/linux/iconv/gconv_builtin.h: Ditto. * libc/sys/linux/iconv/gconv_cache.c: Ditto. * libc/sys/linux/iconv/gconv_charset.h: Ditto. * libc/sys/linux/iconv/gconv_close.c: Ditto. * libc/sys/linux/iconv/gconv_conf.c: Ditto. * libc/sys/linux/iconv/gconv_db.c: Ditto. * libc/sys/linux/iconv/gconv_dl.c: Ditto. * libc/sys/linux/iconv/gconv_int.h: Ditto. * libc/sys/linux/iconv/gconv_open.c: Ditto. * libc/sys/linux/iconv/gconv_simple.c: Ditto. * libc/sys/linux/iconv/gconv_trans.c: Ditto. * libc/sys/linux/iconv/hash-string.h: Ditto. * libc/sys/linux/iconv/iconv.c: Ditto. * libc/sys/linux/iconv/iconv.h: Ditto. * libc/sys/linux/iconv/iconv_charmap.c: Ditto. * libc/sys/linux/iconv/iconv_close.c: Ditto. * libc/sys/linux/iconv/iconv_open.c: Ditto. * libc/sys/linux/iconv/iconvconfig.c: Ditto. * libc/sys/linux/iconv/iconvconfig.h: Ditto. * libc/sys/linux/iconv/loadinfo.h: Ditto. * libc/sys/linux/iconv/localeinfo.h: Ditto. * libc/sys/linux/iconv/loop.c: Ditto. * libc/sys/linux/iconv/skeleton.c: Ditto. * libc/sys/linux/iconv/strtab.c: Ditto. * libc/sys/linux/include/dl-hash.h: Ditto. * libc/sys/linux/include/dlfcn.h: Ditto. * libc/sys/linux/include/fnmatch.h: Ditto. * libc/sys/linux/include/gconv.h: Ditto. * libc/sys/linux/include/glob.h: Ditto. * libc/sys/linux/include/hesiod.h: Ditto. * libc/sys/linux/include/ifaddrs.h: Ditto. * libc/sys/linux/include/libc_private.h: Ditto. * libc/sys/linux/include/link.h: Ditto. * libc/sys/linux/include/namespace.h: Ditto. * libc/sys/linux/include/netconfig.h: Ditto. * libc/sys/linux/include/netdb.h: Ditto. * libc/sys/linux/include/nsswitch.h: Ditto. * libc/sys/linux/include/regex.h: Ditto. * libc/sys/linux/include/resolv.h: Ditto. * libc/sys/linux/include/rune.h: Ditto. * libc/sys/linux/include/runetype.h: Ditto. * libc/sys/linux/include/semaphore.h: Ditto. * libc/sys/linux/include/setlocale.h: Ditto. * libc/sys/linux/include/un-namespace.h: Ditto. * libc/sys/linux/include/wordexp.h: Ditto. * libc/sys/linux/include/arpa/ftp.h: Ditto. * libc/sys/linux/include/arpa/inet.h: Ditto. * libc/sys/linux/include/arpa/nameser.h: Ditto. * libc/sys/linux/include/arpa/nameser_compat.h: Ditto. * libc/sys/linux/include/arpa/telnet.h: Ditto. * libc/sys/linux/include/arpa/tftp.h: Ditto. * libc/sys/linux/include/net/bpf.h: Ditto. * libc/sys/linux/include/net/bpf_compat.h: Ditto. * libc/sys/linux/include/net/bpfdesc.h: Ditto. * libc/sys/linux/include/net/bridge.h: Ditto. * libc/sys/linux/include/net/ethernet.h: Ditto. * libc/sys/linux/include/net/fddi.h: Ditto. * libc/sys/linux/include/net/if.h: Ditto. * libc/sys/linux/include/net/if_arc.h: Ditto. * libc/sys/linux/include/net/if_arp.h: Ditto. * libc/sys/linux/include/net/if_atm.h: Ditto. * libc/sys/linux/include/net/if_dl.h: Ditto. * libc/sys/linux/include/net/if_gif.h: Ditto. * libc/sys/linux/include/net/if_ieee80211.h: Ditto. * libc/sys/linux/include/net/if_llc.h: Ditto. * libc/sys/linux/include/net/if_media.h: Ditto. * libc/sys/linux/include/net/if_mib.h: Ditto. * libc/sys/linux/include/net/if_ppp.h: Ditto. * libc/sys/linux/include/net/if_pppvar.h: Ditto. * libc/sys/linux/include/net/if_slvar.h: Ditto. * libc/sys/linux/include/net/if_sppp.h: Ditto. * libc/sys/linux/include/net/if_stf.h: Ditto. * libc/sys/linux/include/net/if_tap.h: Ditto. * libc/sys/linux/include/net/if_tapvar.h: Ditto. * libc/sys/linux/include/net/if_tun.h: Ditto. * libc/sys/linux/include/net/if_tunvar.h: Ditto. * libc/sys/linux/include/net/if_types.h: Ditto. * libc/sys/linux/include/net/if_var.h: Ditto. * libc/sys/linux/include/net/if_vlan_var.h: Ditto. * libc/sys/linux/include/net/intrq.h: Ditto. * libc/sys/linux/include/net/iso88025.h: Ditto. * libc/sys/linux/include/net/net_osdep.h: Ditto. * libc/sys/linux/include/net/netisr.h: Ditto. * libc/sys/linux/include/net/pfil.h: Ditto. * libc/sys/linux/include/net/pfkeyv2.h: Ditto. * libc/sys/linux/include/net/ppp_comp.h: Ditto. * libc/sys/linux/include/net/ppp_defs.h: Ditto. * libc/sys/linux/include/net/radix.h: Ditto. * libc/sys/linux/include/net/raw_cb.h: Ditto. * libc/sys/linux/include/net/route.h: Ditto. * libc/sys/linux/include/net/slcompress.h: Ditto. * libc/sys/linux/include/net/slip.h: Ditto. * libc/sys/linux/include/net/zlib.h: Ditto. * libc/sys/linux/include/netinet/icmp6.h: Ditto. * libc/sys/linux/include/netinet/icmp_var.h: Ditto. * libc/sys/linux/include/netinet/if_atm.h: Ditto. * libc/sys/linux/include/netinet/if_ether.h: Ditto. * libc/sys/linux/include/netinet/igmp.h: Ditto. * libc/sys/linux/include/netinet/igmp_var.h: Ditto. * libc/sys/linux/include/netinet/in.h: Ditto. * libc/sys/linux/include/netinet/in_gif.h: Ditto. * libc/sys/linux/include/netinet/in_pcb.h: Ditto. * libc/sys/linux/include/netinet/in_systm.h: Ditto. * libc/sys/linux/include/netinet/in_var.h: Ditto. * libc/sys/linux/include/netinet/ip.h: Ditto. * libc/sys/linux/include/netinet/ip6.h: Ditto. * libc/sys/linux/include/netinet/ip_dummynet.h: Ditto. * libc/sys/linux/include/netinet/ip_ecn.h: Ditto. * libc/sys/linux/include/netinet/ip_encap.h: Ditto. * libc/sys/linux/include/netinet/ip_flow.h: Ditto. * libc/sys/linux/include/netinet/ip_fw.h: Ditto. * libc/sys/linux/include/netinet/ip_icmp.h: Ditto. * libc/sys/linux/include/netinet/ip_mroute.h: Ditto. * libc/sys/linux/include/netinet/ip_var.h: Ditto. * libc/sys/linux/include/netinet/ipprotosw.h: Ditto. * libc/sys/linux/include/netinet/tcp.h: Ditto. * libc/sys/linux/include/netinet/tcp_debug.h: Ditto. * libc/sys/linux/include/netinet/tcp_fsm.h: Ditto. * libc/sys/linux/include/netinet/tcp_seq.h: Ditto. * libc/sys/linux/include/netinet/tcp_timer.h: Ditto. * libc/sys/linux/include/netinet/tcp_var.h: Ditto. * libc/sys/linux/include/netinet/tcpip.h: Ditto. * libc/sys/linux/include/netinet/udp.h: Ditto. * libc/sys/linux/include/netinet/udp_var.h: Ditto. * libc/sys/linux/include/netinet6/ah.h: Ditto. * libc/sys/linux/include/netinet6/ah6.h: Ditto. * libc/sys/linux/include/netinet6/esp.h: Ditto. * libc/sys/linux/include/netinet6/esp6.h: Ditto. * libc/sys/linux/include/netinet6/esp_rijndael.h: Ditto. * libc/sys/linux/include/netinet6/icmp6.h: Ditto. * libc/sys/linux/include/netinet6/in6.h: Ditto. * libc/sys/linux/include/netinet6/in6_gif.h: Ditto. * libc/sys/linux/include/netinet6/in6_ifattach.h: Ditto. * libc/sys/linux/include/netinet6/in6_pcb.h: Ditto. * libc/sys/linux/include/netinet6/in6_prefix.h: Ditto. * libc/sys/linux/include/netinet6/in6_var.h: Ditto. * libc/sys/linux/include/netinet6/ip6.h: Ditto. * libc/sys/linux/include/netinet6/ip6_ecn.h: Ditto. * libc/sys/linux/include/netinet6/ip6_fw.h: Ditto. * libc/sys/linux/include/netinet6/ip6_mroute.h: Ditto. * libc/sys/linux/include/netinet6/ip6_var.h: Ditto. * libc/sys/linux/include/netinet6/ip6protosw.h: Ditto. * libc/sys/linux/include/netinet6/ipcomp.h: Ditto. * libc/sys/linux/include/netinet6/ipcomp6.h: Ditto. * libc/sys/linux/include/netinet6/ipsec.h: Ditto. * libc/sys/linux/include/netinet6/ipsec6.h: Ditto. * libc/sys/linux/include/netinet6/mld6_var.h: Ditto. * libc/sys/linux/include/netinet6/nd6.h: Ditto. * libc/sys/linux/include/netinet6/pim6.h: Ditto. * libc/sys/linux/include/netinet6/pim6_var.h: Ditto. * libc/sys/linux/include/netinet6/raw_ip6.h: Ditto. * libc/sys/linux/include/netinet6/scope6_var.h: Ditto. * libc/sys/linux/include/netinet6/tcp6_var.h: Ditto. * libc/sys/linux/include/netinet6/udp6_var.h: Ditto. * libc/sys/linux/include/netns/idp.h: Ditto. * libc/sys/linux/include/netns/idp_var.h: Ditto. * libc/sys/linux/include/netns/ns.h: Ditto. * libc/sys/linux/include/netns/ns_error.h: Ditto. * libc/sys/linux/include/netns/ns_if.h: Ditto. * libc/sys/linux/include/netns/ns_pcb.h: Ditto. * libc/sys/linux/include/netns/sp.h: Ditto. * libc/sys/linux/include/netns/spidp.h: Ditto. * libc/sys/linux/include/netns/spp_debug.h: Ditto. * libc/sys/linux/include/netns/spp_timer.h: Ditto. * libc/sys/linux/include/netns/spp_var.h: Ditto. * libc/sys/linux/include/rpc/Makefile: Ditto. * libc/sys/linux/include/rpc/auth.h: Ditto. * libc/sys/linux/include/rpc/auth_des.h: Ditto. * libc/sys/linux/include/rpc/auth_kerb.h: Ditto. * libc/sys/linux/include/rpc/auth_unix.h: Ditto. * libc/sys/linux/include/rpc/clnt.h: Ditto. * libc/sys/linux/include/rpc/clnt_soc.h: Ditto. * libc/sys/linux/include/rpc/clnt_stat.h: Ditto. * libc/sys/linux/include/rpc/des.h: Ditto. * libc/sys/linux/include/rpc/des_crypt.h: Ditto. * libc/sys/linux/include/rpc/nettype.h: Ditto. * libc/sys/linux/include/rpc/pmap_clnt.h: Ditto. * libc/sys/linux/include/rpc/pmap_prot.h: Ditto. * libc/sys/linux/include/rpc/pmap_rmt.h: Ditto. * libc/sys/linux/include/rpc/raw.h: Ditto. * libc/sys/linux/include/rpc/rpc.h: Ditto. * libc/sys/linux/include/rpc/rpc_com.h: Ditto. * libc/sys/linux/include/rpc/rpc_msg.h: Ditto. * libc/sys/linux/include/rpc/rpcb_clnt.h: Ditto. * libc/sys/linux/include/rpc/rpcb_prot.h: Ditto. * libc/sys/linux/include/rpc/rpcb_prot.x: Ditto. * libc/sys/linux/include/rpc/rpcent.h: Ditto. * libc/sys/linux/include/rpc/svc.h: Ditto. * libc/sys/linux/include/rpc/svc_auth.h: Ditto. * libc/sys/linux/include/rpc/svc_dg.h: Ditto. * libc/sys/linux/include/rpc/svc_soc.h: Ditto. * libc/sys/linux/include/rpc/types.h: Ditto. * libc/sys/linux/include/rpc/xdr.h: Ditto. * libc/sys/linux/intl/Makefile.am: Ditto. * libc/sys/linux/intl/Makefile.in: Ditto. * libc/sys/linux/intl/bindtextdom.c: Ditto. * libc/sys/linux/intl/catgets.c: Ditto. * libc/sys/linux/intl/catgetsinfo.h: Ditto. * libc/sys/linux/intl/config.h: Ditto. * libc/sys/linux/intl/dcgettext.c: Ditto. * libc/sys/linux/intl/dcigettext.c: Ditto. * libc/sys/linux/intl/dcngettext.c: Ditto. * libc/sys/linux/intl/dgettext.c: Ditto. * libc/sys/linux/intl/dngettext.c: Ditto. * libc/sys/linux/intl/explodename.c: Ditto. * libc/sys/linux/intl/finddomain.c: Ditto. * libc/sys/linux/intl/gettext.c: Ditto. * libc/sys/linux/intl/gettext.h: Ditto. * libc/sys/linux/intl/gettextP.h: Ditto. * libc/sys/linux/intl/hash-string.h: Ditto. * libc/sys/linux/intl/l10nflist.c: Ditto. * libc/sys/linux/intl/loadinfo.h: Ditto. * libc/sys/linux/intl/loadmsgcat.c: Ditto. * libc/sys/linux/intl/locale.alias: Ditto. * libc/sys/linux/intl/localealias.c: Ditto. * libc/sys/linux/intl/ngettext.c: Ditto. * libc/sys/linux/intl/open_catalog.c: Ditto. * libc/sys/linux/intl/plural.c: Ditto. * libc/sys/linux/intl/plural.y: Ditto. * libc/sys/linux/intl/stpcpy.c: Ditto. * libc/sys/linux/intl/textdomain.c: Ditto. * libc/sys/linux/linuxthreads/LICENSE: Ditto. * libc/sys/linux/linuxthreads/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/attr.c: Ditto. * libc/sys/linux/linuxthreads/barrier.c: Ditto. * libc/sys/linux/linuxthreads/bp-sym.h: Ditto. * libc/sys/linux/linuxthreads/cancel.c: Ditto. * libc/sys/linux/linuxthreads/condvar.c: Ditto. * libc/sys/linux/linuxthreads/config.h: Ditto. * libc/sys/linux/linuxthreads/configure: Ditto. * libc/sys/linux/linuxthreads/configure.in: Ditto. * libc/sys/linux/linuxthreads/defs.awk: Ditto. * libc/sys/linux/linuxthreads/ecmutex.c: Ditto. * libc/sys/linux/linuxthreads/events.c: Ditto. * libc/sys/linux/linuxthreads/getcpuclockid.c: Ditto. * libc/sys/linux/linuxthreads/getreent.c: Ditto. * libc/sys/linux/linuxthreads/internals.h: Ditto. * libc/sys/linux/linuxthreads/join.c: Ditto. * libc/sys/linux/linuxthreads/joinrace.c: Ditto. * libc/sys/linux/linuxthreads/kernel-features.h: Ditto. * libc/sys/linux/linuxthreads/libc-internal.h: Ditto. * libc/sys/linux/linuxthreads/libc-symbols.h: Ditto. * libc/sys/linux/linuxthreads/linuxthreads.texi: Ditto. * libc/sys/linux/linuxthreads/lockfile.c: Ditto. * libc/sys/linux/linuxthreads/manager.c: Ditto. * libc/sys/linux/linuxthreads/mq_notify.c: Ditto. * libc/sys/linux/linuxthreads/mutex.c: Ditto. * libc/sys/linux/linuxthreads/no-tsd.c: Ditto. * libc/sys/linux/linuxthreads/oldsemaphore.c: Ditto. * libc/sys/linux/linuxthreads/posix-timer.h: Ditto. * libc/sys/linux/linuxthreads/prio.c: Ditto. * libc/sys/linux/linuxthreads/proc_service.h: Ditto. * libc/sys/linux/linuxthreads/pt-machine.c: Ditto. * libc/sys/linux/linuxthreads/ptclock_gettime.c: Ditto. * libc/sys/linux/linuxthreads/ptclock_settime.c: Ditto. * libc/sys/linux/linuxthreads/ptfork.c: Ditto. * libc/sys/linux/linuxthreads/pthread.c: Ditto. * libc/sys/linux/linuxthreads/ptlongjmp.c: Ditto. * libc/sys/linux/linuxthreads/queue.h: Ditto. * libc/sys/linux/linuxthreads/reent.c: Ditto. * libc/sys/linux/linuxthreads/reqsyscalls.c: Ditto. * libc/sys/linux/linuxthreads/restart.h: Ditto. * libc/sys/linux/linuxthreads/rwlock.c: Ditto. * libc/sys/linux/linuxthreads/semaphore.c: Ditto. * libc/sys/linux/linuxthreads/semaphore.h: Ditto. * libc/sys/linux/linuxthreads/shlib-compat.h: Ditto. * libc/sys/linux/linuxthreads/signals.c: Ditto. * libc/sys/linux/linuxthreads/specific.c: Ditto. * libc/sys/linux/linuxthreads/spinlock.c: Ditto. * libc/sys/linux/linuxthreads/spinlock.h: Ditto. * libc/sys/linux/linuxthreads/sysctl.c: Ditto. * libc/sys/linux/linuxthreads/td_init.c: Ditto. * libc/sys/linux/linuxthreads/td_log.c: Ditto. * libc/sys/linux/linuxthreads/td_symbol_list.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_clear_event.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_delete.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_enable_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_event_addr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_event_getmsg.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_nthreads.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_ph.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_map_id2thr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_map_lwp2thr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_new.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_reset_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_set_event.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_setconcurrency.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_thr_iter.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_tsd_iter.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_clear_event.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_dbresume.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_dbsuspend.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_event_enable.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_event_getmsg.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_get_info.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getfpregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getgregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getxregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getxregsize.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_set_event.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setfpregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setgregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setprio.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setsigpending.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setxregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_sigsetmask.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_tsd.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_validate.c: Ditto. * libc/sys/linux/linuxthreads/testrtsig.h: Ditto. * libc/sys/linux/linuxthreads/thread_db.h: Ditto. * libc/sys/linux/linuxthreads/thread_dbP.h: Ditto. * libc/sys/linux/linuxthreads/timer_create.c: Ditto. * libc/sys/linux/linuxthreads/timer_delete.c: Ditto. * libc/sys/linux/linuxthreads/timer_getoverr.c: Ditto. * libc/sys/linux/linuxthreads/timer_gettime.c: Ditto. * libc/sys/linux/linuxthreads/timer_routines.c: Ditto. * libc/sys/linux/linuxthreads/timer_settime.c: Ditto. * libc/sys/linux/linuxthreads/tst-cancel.c: Ditto. * libc/sys/linux/linuxthreads/tst-context.c: Ditto. * libc/sys/linux/linuxthreads/tststack.c: Ditto. * libc/sys/linux/linuxthreads/unload.c: Ditto. * libc/sys/linux/linuxthreads/weaks.c: Ditto. * libc/sys/linux/linuxthreads/wrapsyscall.c: Ditto. * libc/sys/linux/linuxthreads/bits/initspin.h: Ditto. * libc/sys/linux/linuxthreads/bits/libc-lock.h: Ditto. * libc/sys/linux/linuxthreads/bits/libc-tsd.h: Ditto. * libc/sys/linux/linuxthreads/bits/local_lim.h: Ditto. * libc/sys/linux/linuxthreads/bits/posix_opt.h: Ditto. * libc/sys/linux/linuxthreads/bits/pthreadtypes.h: Ditto. * libc/sys/linux/linuxthreads/bits/sigthread.h: Ditto. * libc/sys/linux/linuxthreads/machine/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/machine/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/machine/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/machine/configure: Ditto. * libc/sys/linux/linuxthreads/machine/configure.in: Ditto. * libc/sys/linux/linuxthreads/machine/generic/generic-sysd: Ditto.ep.h * libc/sys/linux/linuxthreads/machine/i386/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/machine/i386/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/machine/i386/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/machine/i386/bp-asm.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/clone.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/configure: Ditto. * libc/sys/linux/linuxthreads/machine/i386/configure.in: Ditto. * libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/pspinlock.c: Ditto. * libc/sys/linux/linuxthreads/machine/i386/pt-machine.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sigcontextinfo.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/stackinfo.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sysdep.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sysdep.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/useldt.h: Ditto. * libc/sys/linux/machine/i386/dl-machine.h: Ditto. * libc/sys/linux/net/Makefile.am: Ditto. * libc/sys/linux/net/Makefile.in: Ditto. * libc/sys/linux/net/addr2ascii.3: Ditto. * libc/sys/linux/net/addr2ascii.c: Ditto. * libc/sys/linux/net/ascii2addr.c: Ditto. * libc/sys/linux/net/base64.c: Ditto. * libc/sys/linux/net/bindresvport.c: Ditto. * libc/sys/linux/net/byteorder.3: Ditto. * libc/sys/linux/net/ether_addr.c: Ditto. * libc/sys/linux/net/ethers.3: Ditto. * libc/sys/linux/net/getaddrinfo.3: Ditto. * libc/sys/linux/net/getaddrinfo.c: Ditto. * libc/sys/linux/net/gethostbydns.c: Ditto. * libc/sys/linux/net/gethostbyht.c: Ditto. * libc/sys/linux/net/gethostbyname.3: Ditto. * libc/sys/linux/net/gethostbynis.c: Ditto. * libc/sys/linux/net/gethostnamadr.c: Ditto. * libc/sys/linux/net/getifaddrs.3: Ditto. * libc/sys/linux/net/getifaddrs.c: Ditto. * libc/sys/linux/net/getipnodebyname.3: Ditto. * libc/sys/linux/net/getnameinfo.3: Ditto. * libc/sys/linux/net/getnameinfo.c: Ditto. * libc/sys/linux/net/getnetbydns.c: Ditto. * libc/sys/linux/net/getnetbyht.c: Ditto. * libc/sys/linux/net/getnetbynis.c: Ditto. * libc/sys/linux/net/getnetent.3: Ditto. * libc/sys/linux/net/getnetnamadr.c: Ditto. * libc/sys/linux/net/getproto.c: Ditto. * libc/sys/linux/net/getprotoent.3: Ditto. * libc/sys/linux/net/getprotoent.c: Ditto. * libc/sys/linux/net/getprotoname.c: Ditto. * libc/sys/linux/net/getservbyname.c: Ditto. * libc/sys/linux/net/getservbyport.c: Ditto. * libc/sys/linux/net/getservent.3: Ditto. * libc/sys/linux/net/getservent.c: Ditto. * libc/sys/linux/net/herror.c: Ditto. * libc/sys/linux/net/hesiod.3: Ditto. * libc/sys/linux/net/hesiod.c: Ditto. * libc/sys/linux/net/if_indextoname.3: Ditto. * libc/sys/linux/net/ifname.c: Ditto. * libc/sys/linux/net/inet.3: Ditto. * libc/sys/linux/net/inet6_option_s: Ditto.pace.3 * libc/sys/linux/net/inet6_rthdr_space.3: Ditto. * libc/sys/linux/net/inet_addr.c: Ditto. * libc/sys/linux/net/inet_lnaof.c: Ditto. * libc/sys/linux/net/inet_makeaddr.c: Ditto. * libc/sys/linux/net/inet_net.3: Ditto. * libc/sys/linux/net/inet_net_ntop.c: Ditto. * libc/sys/linux/net/inet_net_pton.c: Ditto. * libc/sys/linux/net/inet_neta.c: Ditto. * libc/sys/linux/net/inet_netof.c: Ditto. * libc/sys/linux/net/inet_network.c: Ditto. * libc/sys/linux/net/inet_ntoa.c: Ditto. * libc/sys/linux/net/inet_ntop.c: Ditto. * libc/sys/linux/net/inet_pton.c: Ditto. * libc/sys/linux/net/innetgr-stub.c: Ditto. * libc/sys/linux/net/ip6opt.c: Ditto. * libc/sys/linux/net/iso_addr.3: Ditto. * libc/sys/linux/net/iso_addr.c: Ditto. * libc/sys/linux/net/issetugid-stub.c: Ditto. * libc/sys/linux/net/linkaddr.3: Ditto. * libc/sys/linux/net/linkaddr.c: Ditto. * libc/sys/linux/net/map_v4v6.c: Ditto. * libc/sys/linux/net/name6.c: Ditto. * libc/sys/linux/net/namespace.h: Ditto. * libc/sys/linux/net/ns.3: Ditto. * libc/sys/linux/net/ns_addr.c: Ditto. * libc/sys/linux/net/ns_name.c: Ditto. * libc/sys/linux/net/ns_netint.c: Ditto. * libc/sys/linux/net/ns_ntoa.c: Ditto. * libc/sys/linux/net/ns_parse.c: Ditto. * libc/sys/linux/net/ns_print.c: Ditto. * libc/sys/linux/net/ns_ttl.c: Ditto. * libc/sys/linux/net/nsap_addr.c: Ditto. * libc/sys/linux/net/nsdispatch.3: Ditto. * libc/sys/linux/net/nsdispatch.c: Ditto. * libc/sys/linux/net/nslexer.c: Ditto. * libc/sys/linux/net/nslexer.l: Ditto. * libc/sys/linux/net/nsparser.c: Ditto. * libc/sys/linux/net/nsparser.h: Ditto. * libc/sys/linux/net/nsparser.y: Ditto. * libc/sys/linux/net/rcmd.3: Ditto. * libc/sys/linux/net/rcmd.c: Ditto. * libc/sys/linux/net/rcmdsh.3: Ditto. * libc/sys/linux/net/rcmdsh.c: Ditto. * libc/sys/linux/net/recv.c: Ditto. * libc/sys/linux/net/res_comp.c: Ditto. * libc/sys/linux/net/res_config.h: Ditto. * libc/sys/linux/net/res_data.c: Ditto. * libc/sys/linux/net/res_debug.c: Ditto. * libc/sys/linux/net/res_init.c: Ditto. * libc/sys/linux/net/res_mkquery.c: Ditto. * libc/sys/linux/net/res_mkupdate.c: Ditto. * libc/sys/linux/net/res_query.c: Ditto. * libc/sys/linux/net/res_send.c: Ditto. * libc/sys/linux/net/res_update.c: Ditto. * libc/sys/linux/net/resolver.3: Ditto. * libc/sys/linux/net/rthdr.c: Ditto. * libc/sys/linux/net/send.c: Ditto. * libc/sys/linux/net/un-namespace.h: Ditto. * libc/sys/linux/net/vars.c: Ditto. * libc/sys/linux/stdlib/COPYRIGHT: Ditto. * libc/sys/linux/stdlib/Makefile.am: Ditto. * libc/sys/linux/stdlib/Makefile.in: Ditto. * libc/sys/linux/stdlib/cclass.h: Ditto. * libc/sys/linux/stdlib/cname.h: Ditto. * libc/sys/linux/stdlib/collate.c: Ditto. * libc/sys/linux/stdlib/collate.h: Ditto. * libc/sys/linux/stdlib/collcmp.c: Ditto. * libc/sys/linux/stdlib/engine.c: Ditto. * libc/sys/linux/stdlib/fnmatch.3: Ditto. * libc/sys/linux/stdlib/fnmatch.c: Ditto. * libc/sys/linux/stdlib/glob.3: Ditto. * libc/sys/linux/stdlib/glob.c: Ditto. * libc/sys/linux/stdlib/reallocf.c: Ditto. * libc/sys/linux/stdlib/regcomp.c: Ditto. * libc/sys/linux/stdlib/regerror.c: Ditto. * libc/sys/linux/stdlib/regex.3: Ditto. * libc/sys/linux/stdlib/regex2.h: Ditto. * libc/sys/linux/stdlib/regexec.c: Ditto. * libc/sys/linux/stdlib/regfree.c: Ditto. * libc/sys/linux/stdlib/utils.h: Ditto. * libc/sys/linux/stdlib/wordexp.c: Ditto. * libc/sys/linux/stdlib/wordfree.c: Ditto. * libc/sys/linux/sys/dlfcn.h: Ditto. * libc/sys/linux/sys/elfclass.h: Ditto. * libc/sys/linux/sys/event.h: Ditto. * libc/sys/linux/sys/ioccom.h: Ditto. * libc/sys/linux/sys/libc-tsd.h: Ditto. * libc/sys/linux/sys/link.h: Ditto. * libc/sys/linux/sys/lock.h: Ditto. * libc/sys/linux/sys/param.h: Ditto. * libc/sys/linux/sys/socket.h: Ditto. * libc/sys/linux/sys/sockio.h: Ditto.
2003-05-29 06:04:40 +08:00
/* Linuxthreads - a simple clone()-based implementation of Posix */
/* threads for Linux. */
/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
/* */
/* This program is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU Library General Public License */
/* as published by the Free Software Foundation; either version 2 */
/* of the License, or (at your option) any later version. */
/* */
/* This program is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* GNU Library General Public License for more details. */
/* Handling of signals */
#include <errno.h>
#include <signal.h>
#include "pthread.h"
#include "internals.h"
#include "spinlock.h"
#include <ucontext.h>
#include <sigcontextinfo.h>
int pthread_sigmask(int how, const sigset_t * newmask, sigset_t * oldmask)
{
sigset_t mask;
if (newmask != NULL) {
mask = *newmask;
/* Don't allow __pthread_sig_restart to be unmasked.
Don't allow __pthread_sig_cancel to be masked. */
switch(how) {
case SIG_SETMASK:
sigaddset(&mask, __pthread_sig_restart);
sigdelset(&mask, __pthread_sig_cancel);
break;
case SIG_BLOCK:
sigdelset(&mask, __pthread_sig_cancel);
break;
case SIG_UNBLOCK:
sigdelset(&mask, __pthread_sig_restart);
break;
}
newmask = &mask;
}
if (sigprocmask(how, newmask, oldmask) == -1)
return errno;
else
return 0;
}
int pthread_kill(pthread_t thread, int signo)
{
pthread_handle handle = thread_handle(thread);
int pid;
__pthread_lock(&handle->h_lock, NULL);
if (invalid_handle(handle, thread)) {
__pthread_unlock(&handle->h_lock);
return ESRCH;
}
pid = handle->h_descr->p_pid;
__pthread_unlock(&handle->h_lock);
if (kill(pid, signo) == -1)
return errno;
else
return 0;
}
/* User-provided signal handlers */
typedef void (*arch_sighandler_t) (int, SIGCONTEXT);
static union
{
arch_sighandler_t old;
void (*rt) (int, struct siginfo *, struct ucontext *);
} sighandler[NSIG] = { [1 ... NSIG - 1] = { (arch_sighandler_t) SIG_ERR } };
/* The wrapper around user-provided signal handlers */
static void pthread_sighandler(int signo, SIGCONTEXT ctx)
{
pthread_descr self;
char * in_sighandler;
self = thread_self();
/* If we're in a sigwait operation, just record the signal received
and return without calling the user's handler */
if (THREAD_GETMEM(self, p_sigwaiting)) {
THREAD_SETMEM(self, p_sigwaiting, 0);
THREAD_SETMEM(self, p_signal, signo);
return;
}
/* Record that we're in a signal handler and call the user's
handler function */
in_sighandler = THREAD_GETMEM(self, p_in_sighandler);
if (in_sighandler == NULL)
THREAD_SETMEM(self, p_in_sighandler, CURRENT_STACK_FRAME);
CALL_SIGHANDLER(sighandler[signo].old, signo, ctx);
if (in_sighandler == NULL)
THREAD_SETMEM(self, p_in_sighandler, NULL);
}
/* The same, this time for real-time signals. */
static void pthread_sighandler_rt(int signo, struct siginfo *si,
struct ucontext *uc)
{
pthread_descr self;
char * in_sighandler;
self = thread_self();
/* If we're in a sigwait operation, just record the signal received
and return without calling the user's handler */
if (THREAD_GETMEM(self, p_sigwaiting)) {
THREAD_SETMEM(self, p_sigwaiting, 0);
THREAD_SETMEM(self, p_signal, signo);
return;
}
/* Record that we're in a signal handler and call the user's
handler function */
in_sighandler = THREAD_GETMEM(self, p_in_sighandler);
if (in_sighandler == NULL)
THREAD_SETMEM(self, p_in_sighandler, CURRENT_STACK_FRAME);
sighandler[signo].rt(signo, si, uc);
if (in_sighandler == NULL)
THREAD_SETMEM(self, p_in_sighandler, NULL);
}
/* The wrapper around sigaction. Install our own signal handler
around the signal. */
int __sigaction(int sig, const struct sigaction * act,
struct sigaction * oact)
{
struct sigaction newact;
struct sigaction *newactp;
if (sig == __pthread_sig_restart ||
sig == __pthread_sig_cancel ||
(sig == __pthread_sig_debug && __pthread_sig_debug > 0))
{
__set_errno (EINVAL);
return -1;
}
if (act)
{
newact = *act;
if (act->sa_handler != SIG_IGN && act->sa_handler != SIG_DFL
&& sig > 0 && sig < NSIG)
{
if (act->sa_flags & SA_SIGINFO)
newact.sa_handler = (__sighandler_t) pthread_sighandler_rt;
else
newact.sa_handler = (__sighandler_t) pthread_sighandler;
}
newactp = &newact;
}
else
newactp = NULL;
if (__libc_sigaction(sig, newactp, oact) == -1)
return -1;
if (sig > 0 && sig < NSIG)
{
if (oact != NULL
/* We may have inherited SIG_IGN from the parent, so return the
kernel's idea of the signal handler the first time
through. */
&& (__sighandler_t) sighandler[sig].old != SIG_ERR)
oact->sa_handler = (__sighandler_t) sighandler[sig].old;
if (act)
/* For the assignment it does not matter whether it's a normal
or real-time signal. */
sighandler[sig].old = (arch_sighandler_t) act->sa_handler;
}
return 0;
}
strong_alias(__sigaction, sigaction)
/* A signal handler that does nothing */
static void pthread_null_sighandler(int sig) { }
/* sigwait -- synchronously wait for a signal */
int sigwait(const sigset_t * set, int * sig)
{
volatile pthread_descr self = thread_self();
sigset_t mask;
int s;
sigjmp_buf jmpbuf;
struct sigaction sa;
/* Get ready to block all signals except those in set
and the cancellation signal.
Also check that handlers are installed on all signals in set,
and if not, install our dummy handler. This is conformant to
POSIX: "The effect of sigwait() on the signal actions for the
signals in set is unspecified." */
sigfillset(&mask);
sigdelset(&mask, __pthread_sig_cancel);
for (s = 1; s < NSIG; s++) {
if (sigismember(set, s) &&
s != __pthread_sig_restart &&
s != __pthread_sig_cancel &&
s != __pthread_sig_debug) {
sigdelset(&mask, s);
if (sighandler[s].old == (arch_sighandler_t) SIG_ERR ||
sighandler[s].old == (arch_sighandler_t) SIG_DFL ||
sighandler[s].old == (arch_sighandler_t) SIG_IGN) {
sa.sa_handler = pthread_null_sighandler;
sigfillset(&sa.sa_mask);
sa.sa_flags = 0;
sigaction(s, &sa, NULL);
}
}
}
/* Test for cancellation */
if (sigsetjmp(jmpbuf, 1) == 0) {
THREAD_SETMEM(self, p_cancel_jmp, &jmpbuf);
if (! (THREAD_GETMEM(self, p_canceled)
&& THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE)) {
/* Reset the signal count */
THREAD_SETMEM(self, p_signal, 0);
/* Say we're in sigwait */
THREAD_SETMEM(self, p_sigwaiting, 1);
/* Unblock the signals and wait for them */
sigsuspend(&mask);
}
}
THREAD_SETMEM(self, p_cancel_jmp, NULL);
/* The signals are now reblocked. Check for cancellation */
pthread_testcancel();
/* We should have self->p_signal != 0 and equal to the signal received */
*sig = THREAD_GETMEM(self, p_signal);
return 0;
}
/* Redefine raise() to send signal to calling thread only,
as per POSIX 1003.1c */
int raise (int sig)
{
int retcode = pthread_kill(pthread_self(), sig);
if (retcode == 0)
return 0;
else {
errno = retcode;
return -1;
}
}